const struct lttng_kernel_event_notifier *event_notifier);
/* Apply on event file descriptor. */
-int kernctl_filter(int fd, struct lttng_filter_bytecode *filter);
+int kernctl_filter(int fd, const struct lttng_filter_bytecode *filter);
int kernctl_add_callsite(int fd, struct lttng_kernel_event_callsite *callsite);
int kernctl_tracepoint_list(int fd);